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Natural Sunscreen Lotion SPF 50

This natural (mineral UV filters only) broad spectrum sunscreen lotion uses SolaStay® S1 to mitigate the photocatalytic and reactive oxygen species generating activities of the oxides. It was subjected to in vitro analysis and delivered SPF ~54, PFA (PPD) ~18 performance with critical wavelength 378 nm. In vivo testing (three persons) yielded static SPF 57.9 in support of in vitro results.

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PhaseINCI Name [INN/USAN] (Other Information)Trade Name% WtFunction
ACaprylic/Capric Triglyceride 5.00Sunscreen Solvent
C12-15 Alkyl Benzoate 5.00Sunscreen Solvent
Tocopheryl Acetate 0.30Antioxidant Agent
Ethylhexyl OlivateSENSOLENE®2.00Multifunctional Lipid
Ethylhexyl MethoxycryleneSolaStay® S1*2.00Photostabilizer
Butyloctyl SalicylateHALLBRITE® BHB*5.00Sunscreen Solvent / Emollient
BTitanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size) 3.20UV Filter / Sunscreen Agent
Zinc Oxide [Zinc Oxide], Triethoxycaprylylsilane (30-200 nm primary particle size) 8.00UV Filter / Sunscreen Agent
CCetearyl Olivate, Sorbitan OlivateOLIVEM® 10004.00Self-Emulsifier / Liquid Crystal Maker
Cetyl Palmitate, Sorbitan Palmitate, Sorbitan OlivateOLIWAX® LC1.00Emulsion Stabilizer
Methyl Methacrylate Crosspolymer 2.00Film Former
DWater (Aqua) (deionized) up to 100Volatile Carrier
Disodium EDTA 0.05Chelating Agent
Xanthan Gum (pharma grade) 0.25Thickener (Aqueous)
EGlycerin 3.00Humectant
Preservative a.n.Preservative
FCyclopentasiloxane 3.00Volatile Carrier


1To a secondary vessel add phase A, start mixing, add phase B, heat to 85°C and then add phase C.
2To the main vessel add the Water of phase D, start mixing, add the other phase D ingredients in order, continue stirring phase D until fully incorporated and then start heating to 80°C.
3When both phase ABC and phase D are homogeneous and at their designated temperatures, slowly add the oil phase ABC to the water phase D with mixing and then homogenize for 3 minutes and start cooling.
4Add premix phase E when batch is below 50°C and then add phase F with mixing.
5Continue mixing until batch is at room temperature, replacing any water lost to evaporation and mixing until smooth.


Appearance Off-white lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s) 3500 - 5000
pH 6 - 8

*Patented and Patent Pending

The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements

The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA

Tel.: 877 427 4255 (International n.: +1 312 385 4494) - Fax: +1 330 929 3616 - E-mail: Web Site: